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Finding the Fourth Proportional to 93,591.80, 140,387.70 and 88,983.80

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Solution

The fourth proportional to 93,591.80, 140,387.70 and 88,983.80 is: 133,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,591.80 : 140,387.70 = 88,983.80 : x
  2. Step 2: Convert to fraction form
    93,591.80/140,387.70 = 88,983.80/x
  3. Step 3: Cross multiply
    93,591.80x = 140,387.70 × 88,983.80
  4. Step 4: Simplify right side
    93,591.80x = 12,492,231,019.26
  5. Step 5: Solve for x
    x = 12,492,231,019.26/93,591.80
  6. Step 6: Final answer
    x = 133,475.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.